diff options
Diffstat (limited to 'parse.y')
-rw-r--r-- | parse.y | 18 |
1 files changed, 10 insertions, 8 deletions
@@ -5074,14 +5074,16 @@ parser_yyerror(struct parser_params *parser, const char *msg) buf = ALLOCA_N(char, i+2); code = p; caret = p2 = buf; - i = (int)(parser->tokp - p); - while (i-- > 0) { - *p2++ = *p++ == '\t' ? '\t' : ' '; - } - *p2++ = '^'; - if (lex_p > parser->tokp + 1) { - memset(p2, '~', (lex_p - parser->tokp) - 1); - p2 += (lex_p - parser->tokp) - 1; + if (p <= parser->tokp) { + while (p < parser->tokp) { + *p2++ = *p++ == '\t' ? '\t' : ' '; + } + *p2++ = '^'; + p++; + } + if (lex_p > p) { + memset(p2, '~', (lex_p - p)); + p2 += (lex_p - p); } *p2 = '\0'; newline = "\n"; |